Functionalization of paper components
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United States of America Patent
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Feb 28, 2012
Grant Date -
Jul 2, 2009
app pub date -
Aug 1, 2008
filing date -
Feb 3, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Compositions and methods of producing paper-based materials are disclosed. In general, the techniques utilize an amine-containing polymer, such as chitosan, to functionalize one or more components of a mixture used to form materials such as paper-based materials. Such components can include the fibers of a pulp and/or filler particles. In one instance, either the pulp or the filler particles are functionalized, but not both. Such functionalization can improve the qualifies of a paper-based material relative to when such functionalization is not utilized. Techniques and compositions are also described to further improve the qualities of a paper material by utilizing a complementary polymer which can couple with the amine-containing polymer.
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